From a4460f6d9453bbd7e584937686449cef3e19f052 Mon Sep 17 00:00:00 2001
From: Leo Tenenbaum <pommicket@gmail.com>
Date: Mon, 20 Aug 2018 20:34:57 -0400
Subject: Initial commit

---
 src/gui/position.cpp | 107 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 src/gui/position.cpp

(limited to 'src/gui/position.cpp')

diff --git a/src/gui/position.cpp b/src/gui/position.cpp
new file mode 100644
index 0000000..03514a4
--- /dev/null
+++ b/src/gui/position.cpp
@@ -0,0 +1,107 @@
+////////////////////////////////////////////////////////////////////////////////
+// Copyright (C) 2018 Leo Tenenbaum
+// This file is part of GraphColoring.
+//
+// GraphColoring is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// GraphColoring is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with GraphColoring.  If not, see <https://www.gnu.org/licenses/>.
+////////////////////////////////////////////////////////////////////////////////
+
+#include "position.hpp"
+
+#include <iostream>
+
+#include "utils/errors.hpp"
+
+namespace gui {
+
+Position::Position(int x_, int y_, double relx_, double rely_,
+	const Size* parent_size_, const Position* parent_pos_)
+{
+	SetPos(x_, y_);
+	SetRel(relx_, rely_);
+	SetParent(parent_size_, parent_pos_);
+}
+
+int Position::X() const
+{
+	int xpos = x;
+	if (parent_size != nullptr)
+		xpos += relx * parent_size->X();
+	if (parent_pos != nullptr)
+		xpos += parent_pos->X();
+	return xpos;
+}
+
+int Position::Y() const
+{
+	int ypos = y;
+	if (parent_size != nullptr)
+		ypos += rely * parent_size->Y();
+	if (parent_pos != nullptr)
+		ypos += parent_pos->Y();
+	return ypos;
+}
+
+void Position::SetX(int x_) { x = x_; }
+void Position::SetY(int y_) { y = y_; }
+
+
+void Position::SetPos(int x_, int y_)
+{
+	SetX(x_);
+	SetY(y_);
+}
+
+void Position::SetRel(double relx_, double rely_)
+{
+	relx = relx_;
+	rely = rely_;
+}
+
+void Position::SetParent(const Size* parent_size_, const Position* parent_pos_)
+{
+	parent_size = parent_size_;
+	parent_pos = parent_pos_;
+}
+
+int Position::AlignAxis(Alignment alignment, int val, int size)
+{
+	switch (alignment)
+	{
+	case Alignment::LEFT:
+		return val;
+	case Alignment::RIGHT:
+		return val - size;
+	case Alignment::CENTER:
+		return val - size/2;
+	}
+	return -1;
+}
+
+int Position::AlignedX(Alignment horizontal_align, int width) const
+{
+	return AlignAxis(horizontal_align, X(), width);
+}
+
+int Position::AlignedY(Alignment vertical_align, int height) const
+{
+	return AlignAxis(vertical_align, Y(), height);
+}
+
+std::ostream& operator<<(std::ostream& os, Position pos)
+{
+	os << "(" << pos.X() << ", " << pos.Y() << ")";
+	return os;
+}
+
+} // namespace gui
-- 
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